The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-008-7954, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-008-7954 |
| Primary Part Number | A51P44138-1 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flow Angle | 128.0 DEGREES SECOND END |
| Measuring Method and Length | 7.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.070 INCHES NOMINAL SECOND END IN |
| Minimum Inside Bending Radius | 1.000 INCHES IN |
| Connection Style | PLAIN SECOND END |
| Connection Style | GASKET SEAL COMPRESSION FIRST END |
| Flange Outside Diameter | 0.750 INCHES NOMINAL SECOND END IN |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | PLAIN FACE FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Features Provided | ELECTROSTATIC DISCHARGE CAPABILITY |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.938 INCHES FIRST END IN |
| Exterior Color | NATURAL |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Surface Condition | CONVOLUTED |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 400.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A FIRST END A |
| Burst Test Pressure | 800.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 FIRST END |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| Thread Series Designator | UN FIRST END |
| Flange Style | ROUND W/ OUT BOLT HOLES SECOND END |
| End Flange Construction | SOLID SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51P44138-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51P44138-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51P44138-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4720-01-008-7954 is a Hose Assembly,nonmetallic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-008-7954 has 1 manufacturer part number on file: A51P44138-1 (Northrop Grumman Systems Corporation).
Key specifications for A51P44138-1: Flow Angle: 128.0 DEGREES SECOND END; Measuring Method and Length: 7.000 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 0.070 INCHES NOMINAL SECOND END IN. 30 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.